Protect your home, health, and appliances by sterilizing your water with UV sterilization. The Express Water Ultraviolet Sterilizer Bulb removes major contaminants from your water and provides sterilized water for all home uses. The UV light removes up to 99% of biological contaminants like Salmonella, Fungi, Aspergillus, E. Coli, Cysts, Legionella, Microorganisms, Dysentery, Coliform, Giardia, Mold, Cryptosporidium, Algae, other viruses, and other bacteria. Start drinking healthy, pure water and stop drinking contaminants with your own home Ultraviolet Water Sterilizer. The UV Water Sterilizing bulb is good for 6 months to 1 year of water filtration use. UV bulb life depends on average water quality, temperature, and incoming pressure of your home water. This durable Ultraviolet Water Sterilizer is able to deliver up to 1 gallon of water per minute. The bulb works with 45 psi - 80 psi and water temperatures between 40°F - 100°F. Made with 100% pure food-grade materials complete for maximum UV coverage. Never turn on your ultraviolet light outside of its housing. Do not look directly at or expose any part of your body to ultraviolet light. Sterilize your water with a high quality UV-C bulb. Choose the bulb that lasts longer to give you the best value, the Express Water Ultraviolet Sterilizer Bulb.